Piping Diagram
Samsung Electronics 332
7-3 Functions (cont.)
7-3-2-3 Normal operation modes (cont.)
7-3-2 Control (cont.)
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High Temperature & pressure Gas
High Temperature & pressure Liquid
Low Temperature & pressure Gas
Low Temperature & pressure Liquid
COOL
FAN ON
↑
↑
↑
↑
↑
↑
↑
COOL
FAN ON
COOL
FAN ON
OFF
FAN OFF
COOL
FAN ON
OFF
FAN OFF
Ball Valve -
High pressure
Gas pipe
(BV_HG)
Outdoor Fan Motor 1
(OFM1)
Outdoor Fan Motor 2
(OFM2)
Thermistor - Ambient (T_A)
Thermistor -
Cond Out (T_CO)
Heat Exchanger - Main (HX_M)
Thermistor - Suction pipe (T_S)
Solenoid Valve -
Main EEV (V_ME)
Check Valve -
EEV Bypass
(CV_EB)
Electronic
Expansion
Valve -
Main (E_M)
Solenoid
Valve -
Hot Gas
bypass 2
(V_HG2)
IPM Cooler 1
(IPMC1)
IPM Cooler 2
(IPMC2)
Ball Valve -
Low pressure
Gas pipe
(BV_LG)
Heat Exchanger -
Intercooler (HX_IC)
Thermistor -
EVI In (T_EI)
Thermistor -
Liquid pipe (T_L)
Electronic
Expansion
Valve -
EVI (E_EVI)
Thermistor -
EVI Out (T_EO)
Solenoid Valve -
EVI Bypass
(V_EB)
Ball Valve -
Liquid pipe (BV_L)
Solenoid Valve -
Accumulator oil Return (V_AR)
Pressure Sensor -
Low (PS_L)
Solenoid Valve -
Hot Gas bypass (V_HG)
(V_EVI2)
Solenoid
Valve -
EVI 1(V_EVI1)
Compressor 1
(COMP1)
(COMP2)
(T_D2)
(T_CT2)
Thermistor -
Discharge
pipe 1 (T_D1)
(PW_H2)
(OS2)
(CV_D2)
Oil Separator 1
(OS1)
Pressure Sensor -
High (PS_H)
Solenoid Valve - 4Way (V_4W)
Check Valve -
Main Cooling
(CV_MC)
Solenoid Valve -
Main Cooling
(V_MC)
Thermistor -
Suction pipe 2 (T_S2)
Pressure
Switch -
High 1
(PW_H1)
Thermistor -
Compressor
Top 1
(T_CT1)
Check Valve -
Discharge 1
(CV_D1)
Check Valve -
Heat Recovery
(CV_HR)
Accumulator
(AC)
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↑
↑
↑
↑
↑ ↑
↑ ↑
↑
↑
↑ ↑
↑
↑
↑
↑
↑
↑
↑
Heat Recovery
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